BET Networks said Wednesday that the entertainers will appear on Sunday's ceremony, which will be broadcast live from the Shrine Auditorium in Los Angeles.
They'll join a star-studded lineup set to include performances by Beyonce, Alicia Keys, Lil Wayne, Jill Scott, Drake and Mary J. Blige.
The BET Awards honor the year's top actors, athletes and musicians. Chris Brown leads nominees with six nods, followed by Lil Wayne with five.
Kanye West, Drake and Rihanna are up for four awards each. Minaj, Mars, Trey Songz, Cee Lo Green and B.o.B. also received multiple nominations.